diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9d153c4..962c00f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         python-version: ["3.11", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 75060c6..b6e7a47 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -22,7 +22,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/configure-pages@v5
       - uses: actions/upload-pages-artifact@v5
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index efca7a5..173e581 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
     permissions:
       id-token: write       # OIDC token for Trusted Publishing
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
@@ -35,7 +35,7 @@ jobs:
     name: Build Windows exe + installer
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"